Siddhi industries manufactures a range of high tensile fasteners. These are special type of screws with spring, cut, conical, plain washers and special grooved pin rivets. It makes all types of screws like pan head, raised head, philips head, binding head, cheese head, csk screws and self tapping screws. The range also includes bt type and neck groove type screws. The sizes range in dia from 2.5 mm to 8 mm and also ΒΌ unf, length from 5 mm to 110 mm.
